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Finding the Fourth Proportional to 202,326.66, 279,213.10 and 111,682.68

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Solution

The fourth proportional to 202,326.66, 279,213.10 and 111,682.68 is: 154,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,326.66 : 279,213.10 = 111,682.68 : x
  2. Step 2: Convert to fraction form
    202,326.66/279,213.10 = 111,682.68/x
  3. Step 3: Cross multiply
    202,326.66x = 279,213.10 × 111,682.68
  4. Step 4: Simplify right side
    202,326.66x = 31,183,267,299.11
  5. Step 5: Solve for x
    x = 31,183,267,299.11/202,326.66
  6. Step 6: Final answer
    x = 154,123.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.